# 请在下面补充你的代码

def fun(b,h):

    return(0.5*(b * h + h ** 2))
Tian_A = fun(30,15)
Tian_B = fun(78.5,(13+(7/9)))
SA = int(Tian_A/240)
SB = int(Tian_B/240)
print(f'弓形田地面积为{SA}亩零{Tian_A-SA*240:.2f}平方步')
print(f'弓形田地面积为{SB}亩零{Tian_B-SB*240:.2f}平方步')